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tx_test.clj
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tx_test.clj
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(ns xtdb.tx-test
(:require [clojure.java.io :as io]
[clojure.string :as string]
[clojure.test :as t]
[clojure.tools.logging.impl :as log-impl]
[xtdb.fixtures.kv :as fkv]
[xtdb.tx.event :as xte]
[xtdb.api :as xt]
[xtdb.bus :as bus]
[xtdb.codec :as c]
[xtdb.db :as db]
[xtdb.fixtures :as fix :refer [*api*]]
[xtdb.rdf :as rdf]
[xtdb.system :as sys]
[xtdb.tx :as tx]
[xtdb.tx.event :as txe])
(:import [clojure.lang ExceptionInfo Keyword PersistentArrayMap]
[java.net URI URL]
java.time.Duration
[java.util Collections Date HashMap HashSet UUID]))
(t/use-fixtures :each fkv/with-each-kv-store* fkv/with-kv-store-opts* fix/with-node fix/with-silent-test-check
(fn [f]
(f)
(#'tx/reset-tx-fn-error)))
(def picasso-id (keyword "http://dbpedia.org/resource/Pablo_Picasso"))
(def picasso-eid (c/new-id picasso-id))
(def picasso
(-> "xtdb/Pablo_Picasso.ntriples"
(rdf/ntriples)
(rdf/->default-language)
(rdf/->maps-by-id)
(get picasso-id)))
;; TODO: This is a large, useful, test that exercises many parts, but
;; might be better split up.
(t/deftest test-can-index-tx-ops-acceptance-test
(let [content-hash (c/hash-doc picasso)
valid-time #inst "2018-05-21"
{::xt/keys [tx-time tx-id]}
(fix/submit+await-tx [[::xt/put picasso valid-time]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/testing "can see entity at transact and valid time"
(t/is (= (c/map->EntityTx {:eid picasso-eid
:content-hash content-hash
:vt valid-time
:tt tx-time
:tx-id tx-id})
(db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") tx-time tx-id))))
(t/testing "cannot see entity before valid or transact time"
(t/is (nil? (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") #inst "2018-05-20" tx-id)))
(t/is (nil? (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") tx-time -1))))
(t/testing "can see entity after valid or transact time"
(t/is (some? (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") #inst "2018-05-22" tx-id)))
(t/is (some? (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") tx-time tx-id))))
(t/testing "can see entity history"
(t/is (= [(c/map->EntityTx {:eid picasso-eid
:content-hash content-hash
:vt valid-time
:tt tx-time
:tx-id tx-id})]
(db/entity-history index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") :desc {})))))
(t/testing "add new version of entity in the past"
(let [new-picasso (assoc picasso :foo :bar)
new-content-hash (c/hash-doc new-picasso)
new-valid-time #inst "2018-05-20"
{new-tx-time ::xt/tx-time
new-tx-id ::xt/tx-id}
(fix/submit+await-tx [[::xt/put new-picasso new-valid-time]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= (c/map->EntityTx {:eid picasso-eid
:content-hash new-content-hash
:vt new-valid-time
:tt new-tx-time
:tx-id new-tx-id})
(db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time new-tx-id)))
(t/is (nil? (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") #inst "2018-05-20" -1))))))
(t/testing "add new version of entity in the future"
(let [new-picasso (assoc picasso :baz :boz)
new-content-hash (c/hash-doc new-picasso)
new-valid-time #inst "2018-05-22"
{new-tx-time ::xt/tx-time
new-tx-id ::xt/tx-id}
(fix/submit+await-tx [[::xt/put new-picasso new-valid-time]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= (c/map->EntityTx {:eid picasso-eid
:content-hash new-content-hash
:vt new-valid-time
:tt new-tx-time
:tx-id new-tx-id})
(db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time new-tx-id)))
(t/is (= (c/map->EntityTx {:eid picasso-eid
:content-hash content-hash
:vt valid-time
:tt tx-time
:tx-id tx-id})
(db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time tx-id))))
(t/testing "can correct entity at earlier valid time"
(let [new-picasso (assoc picasso :bar :foo)
new-content-hash (c/hash-doc new-picasso)
prev-tx-time new-tx-time
prev-tx-id new-tx-id
new-valid-time #inst "2018-05-22"
{new-tx-time ::xt/tx-time
new-tx-id ::xt/tx-id}
(fix/submit+await-tx [[::xt/put new-picasso new-valid-time]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= (c/map->EntityTx {:eid picasso-eid
:content-hash new-content-hash
:vt new-valid-time
:tt new-tx-time
:tx-id new-tx-id})
(db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time new-tx-id)))
(t/is (= prev-tx-id
(:tx-id (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") prev-tx-time prev-tx-id)))))))
(t/testing "can delete entity"
(let [new-valid-time #inst "2018-05-23"
{new-tx-id ::xt/tx-id}
(fix/submit+await-tx [[::xt/delete (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (nil? (.content-hash (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") new-valid-time new-tx-id))))
(t/testing "first version of entity is still visible in the past"
(t/is (= tx-id (:tx-id (db/entity-as-of index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") valid-time new-tx-id))))))))))
(t/testing "can retrieve history of entity"
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= 5 (count (db/entity-history index-snapshot (keyword "http://dbpedia.org/resource/Pablo_Picasso") :desc
{:with-corrections? true}))))))))
(t/deftest test-can-cas-entity
(let [{picasso-tx-time ::xt/tx-time, picasso-tx-id ::xt/tx-id} (xt/submit-tx *api* [[::xt/put picasso]])]
(t/testing "compare and set does nothing with wrong content hash"
(let [wrong-picasso (assoc picasso :baz :boz)
cas-failure-tx (xt/submit-tx *api* [[::xt/cas wrong-picasso (assoc picasso :foo :bar)]])]
(xt/await-tx *api* cas-failure-tx (Duration/ofMillis 1000))
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc picasso)
:vt picasso-tx-time
:tt picasso-tx-time
:tx-id picasso-tx-id})]
(db/entity-history index-snapshot picasso-id :desc {}))))))
(t/testing "compare and set updates with correct content hash"
(let [new-picasso (assoc picasso :new? true)
{new-tx-time ::xt/tx-time, new-tx-id ::xt/tx-id} (fix/submit+await-tx [[::xt/cas picasso new-picasso]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc new-picasso)
:vt new-tx-time
:tt new-tx-time
:tx-id new-tx-id})
(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc picasso)
:vt picasso-tx-time
:tt picasso-tx-time
:tx-id picasso-tx-id})]
(db/entity-history index-snapshot picasso-id :desc {})))))))
(t/testing "compare and set can update non existing nil entity"
(let [ivan {:xt/id :ivan, :value 12}
{ivan-tx-time ::xt/tx-time, ivan-tx-id ::xt/tx-id} (fix/submit+await-tx [[::xt/cas nil ivan]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid (c/new-id :ivan)
:content-hash (c/hash-doc ivan)
:vt ivan-tx-time
:tt ivan-tx-time
:tx-id ivan-tx-id})]
(db/entity-history index-snapshot :ivan :desc {})))))))
(t/deftest test-match-ops
(let [{picasso-tx-time ::xt/tx-time, picasso-tx-id ::xt/tx-id} (xt/submit-tx *api* [[::xt/put picasso]])]
(t/testing "match does nothing with wrong content hash"
(let [wrong-picasso (assoc picasso :baz :boz)
match-failure-tx (xt/submit-tx *api* [[::xt/match picasso-id wrong-picasso]])]
(xt/await-tx *api* match-failure-tx (Duration/ofMillis 1000))
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc picasso)
:vt picasso-tx-time
:tt picasso-tx-time
:tx-id picasso-tx-id})]
(db/entity-history index-snapshot picasso-id :desc {}))))))
(t/testing "match continues with correct content hash"
(let [new-picasso (assoc picasso :new? true)
{new-tx-time ::xt/tx-time, new-tx-id ::xt/tx-id} (fix/submit+await-tx [[::xt/match picasso-id picasso]
[::xt/put new-picasso]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc new-picasso)
:vt new-tx-time
:tt new-tx-time
:tx-id new-tx-id})
(c/map->EntityTx {:eid picasso-eid
:content-hash (c/hash-doc picasso)
:vt picasso-tx-time
:tt picasso-tx-time
:tx-id picasso-tx-id})]
(db/entity-history index-snapshot picasso-id :desc {})))))))
(t/testing "match can check non existing entity"
(let [ivan {:xt/id :ivan, :value 12}
{ivan-tx-time ::xt/tx-time, ivan-tx-id ::xt/tx-id} (fix/submit+await-tx [[::xt/match :ivan nil]
[::xt/put ivan]])]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/map->EntityTx {:eid (c/new-id :ivan)
:content-hash (c/hash-doc ivan)
:vt ivan-tx-time
:tt ivan-tx-time
:tx-id ivan-tx-id})]
(db/entity-history index-snapshot :ivan :desc {})))))))
(t/deftest test-can-evict-entity
(t/testing "removes all traces of entity from indices"
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :value 0}]])
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :value 1}]])
(fix/submit+await-tx [[::xt/evict :foo]])
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(let [history (db/entity-history index-snapshot :foo :desc {})]
(t/testing "eviction removes tx history"
(t/is (empty? history)))
(t/testing "eviction removes docs"
(t/is (empty? (->> (db/fetch-docs (:document-store *api*) (keep :content-hash history))
vals
(remove c/evicted-doc?))))))))
(t/testing "clears entity history for valid-time ranges"
(fix/submit+await-tx [[::xt/put {:xt/id :bar, :value 0} #inst "2012" #inst "2018"]])
(fix/submit+await-tx [[::xt/evict :bar]])
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(let [history (db/entity-history index-snapshot :bar :desc {})]
(t/testing "eviction removes tx history"
(t/is (empty? history)))))))
(defn index-tx [tx tx-events docs]
(let [{:keys [xtdb/tx-indexer]} @(:!system *api*)
in-flight-tx (db/begin-tx tx-indexer)
tx (assoc tx ::xte/tx-events tx-events)]
(db/index-tx-docs in-flight-tx docs)
(db/index-tx-events in-flight-tx tx)
(db/commit in-flight-tx tx)))
(t/deftest test-handles-legacy-evict-events
(let [{put-tx-time ::xt/tx-time, put-tx-id ::xt/tx-id} (fix/submit+await-tx [[::xt/put picasso #inst "2018-05-21"]])
evict-tx-time #inst "2018-05-22"
evict-tx-id (inc put-tx-id)
index-evict! (fn []
(index-tx {::xt/tx-time evict-tx-time
::xt/tx-id evict-tx-id}
[[:crux.tx/evict picasso-id #inst "2018-05-23"]]
{}))]
;; we have to index these manually because the new evict API won't allow docs
;; with the legacy valid-time range
(t/testing "eviction throws if legacy params and no explicit override"
(t/is (thrown-with-msg? IllegalArgumentException
#"^Evict no longer supports time-range parameters."
(index-evict!))))
(t/testing "no docs evicted yet"
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (seq (->> (db/fetch-docs (:document-store *api*)
(->> (db/entity-history index-snapshot picasso-id :desc {})
(keep :content-hash)))
vals
(remove c/evicted-doc?))))))
(binding [tx/*evict-all-on-legacy-time-ranges?* true]
(let [{:keys [docs]} (index-evict!)]
(db/submit-docs (:document-store *api*) docs)
(t/testing "eviction removes docs"
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (empty? (->> (db/fetch-docs (:document-store *api*)
(->> (db/entity-history index-snapshot picasso-id :desc {})
(keep :content-hash)))
vals
(remove c/evicted-doc?))))))))))
(t/deftest test-multiple-txs-in-same-ms-441
(let [ivan {:crux.db/id :ivan}
ivan1 (assoc ivan :value 1)
ivan2 (assoc ivan :value 2)
t #inst "2019-11-29"
docs {(c/hash-doc ivan1) ivan1
(c/hash-doc ivan2) ivan2}]
(db/submit-docs (:document-store *api*) docs)
(index-tx {::xt/tx-time t, ::xt/tx-id 1}
[[:crux.tx/put :ivan (c/->id-buffer (c/hash-doc ivan1))]]
docs)
(index-tx {::xt/tx-time t, ::xt/tx-id 2}
[[:crux.tx/put :ivan (c/->id-buffer (c/hash-doc ivan2))]]
docs)
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= [(c/->EntityTx (c/new-id :ivan) t t 2 (c/hash-doc ivan2))
(c/->EntityTx (c/new-id :ivan) t t 1 (c/hash-doc ivan1))]
(db/entity-history index-snapshot :ivan :desc {:with-corrections? true})))
(t/is (= [(c/->EntityTx (c/new-id :ivan) t t 2 (c/hash-doc ivan2))]
(db/entity-history index-snapshot :ivan :desc {:start-valid-time t
:start-tx {::xt/tx-id 2}})))
(t/is (= [(c/->EntityTx (c/new-id :ivan) t t 1 (c/hash-doc ivan1))]
(db/entity-history index-snapshot :ivan :desc {:start-valid-time t
:start-tx {::xt/tx-id 1}})))
(t/is (= [(c/->EntityTx (c/new-id :ivan) t t 2 (c/hash-doc ivan2))]
(db/entity-history index-snapshot :ivan :asc {:start-valid-time t}))))))
(t/deftest test-entity-history-seq-corner-cases
(let [ivan {:crux.db/id :ivan}
ivan1 (assoc ivan :value 1)
ivan2 (assoc ivan :value 2)
t1 #inst "2020-05-01"
t2 #inst "2020-05-02"
docs {(c/hash-doc ivan1) ivan1
(c/hash-doc ivan2) ivan2}]
(db/submit-docs (:document-store *api*) docs)
(index-tx {::xt/tx-time t1, ::xt/tx-id 1}
[[:crux.tx/put :ivan (c/->id-buffer (c/hash-doc ivan1)) t1]]
docs)
(index-tx {::xt/tx-time t2, ::xt/tx-id 2}
[[:crux.tx/put :ivan (c/->id-buffer (c/hash-doc ivan2)) t1]
[:crux.tx/put :ivan (c/->id-buffer (c/hash-doc ivan2))]]
docs)
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(let [etx-v1-t1 (c/->EntityTx (c/new-id :ivan) t1 t1 1 (c/hash-doc ivan1))
etx-v1-t2 (c/->EntityTx (c/new-id :ivan) t1 t2 2 (c/hash-doc ivan2))
etx-v2-t2 (c/->EntityTx (c/new-id :ivan) t2 t2 2 (c/hash-doc ivan2))]
(letfn [(history-asc [opts]
(vec (db/entity-history index-snapshot :ivan :asc opts)))
(history-desc [opts]
(vec (db/entity-history index-snapshot :ivan :desc opts)))]
(t/testing "start is inclusive"
(t/is (= [etx-v2-t2
etx-v1-t2]
(history-desc {:start-tx {::xt/tx-id 2} :start-valid-time t2})))
(t/is (= [etx-v1-t2]
(history-desc {:start-valid-time t1})))
(t/is (= [etx-v1-t2 etx-v2-t2]
(history-asc {:start-tx {::xt/tx-id 2}})))
(t/is (= [etx-v1-t1 etx-v1-t2 etx-v2-t2]
(history-asc {:start-tx {::xt/tx-id 1} :start-valid-time t1
:with-corrections? true}))))
(t/testing "end is exclusive"
(t/is (= [etx-v2-t2]
(history-desc {:start-valid-time t2, :start-tx {::xt/tx-id 2}
:end-valid-time t1, :end-tx {::xt/tx-id 1}})))
(t/is (= []
(history-desc {:end-valid-time t2})))
(t/is (= [etx-v1-t1]
(history-asc {:end-tx {::xt/tx-id 2}})))
(t/is (= []
(history-asc {:start-valid-time t1, :end-tx {::xt/tx-id 1}})))))))))
(t/deftest test-put-delete-range-semantics
(t/are [txs history] (let [eid (keyword (gensym "ivan"))
ivan {:xt/id eid, :name "Ivan"}
res (mapv (fn [[value & vts]]
(xt/submit-tx *api* [(into (if value
[::xt/put (assoc ivan :value value)]
[::xt/delete eid])
vts)]))
txs)
last-tx (last res)]
(xt/await-tx *api* last-tx nil)
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(t/is (= (for [[vt tx-idx value] history]
[vt (get-in res [tx-idx ::xt/tx-id]) (c/hash-doc (when value
(assoc ivan :value value)))])
(->> (db/entity-history index-snapshot eid :asc {})
(map (juxt :vt :tx-id :content-hash)))))))
;; pairs
;; [[value vt ?end-vt] ...]
;; [[vt tx-idx value] ...]
[[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-26" 0 26]
[#inst "2019-11-29" 0 nil]]
;; re-instates the previous value at the end of the range
[[25 #inst "2019-11-25"]
[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 1 26]
[#inst "2019-11-29" 0 25]]
;; delete a range
[[25 #inst "2019-11-25"]
[nil #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 1 nil]
[#inst "2019-11-29" 0 25]]
;; override a range
[[25 #inst "2019-11-25" #inst "2019-11-27"]
[nil #inst "2019-11-25" #inst "2019-11-27"]
[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 1 nil]
[#inst "2019-11-26" 2 26]
[#inst "2019-11-27" 2 26]
[#inst "2019-11-29" 0 nil]]
;; merge a range
[[25 #inst "2019-11-25" #inst "2019-11-27"]
[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 1 26]
[#inst "2019-11-27" 1 26]
[#inst "2019-11-29" 0 nil]]
;; shouldn't override the value at end-vt if there's one there
[[25 #inst "2019-11-25"]
[29 #inst "2019-11-29"]
[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 2 26]
[#inst "2019-11-29" 1 29]]
;; should re-instate 28 at the end of the range
[[25 #inst "2019-11-25"]
[28 #inst "2019-11-28"]
[26 #inst "2019-11-26" #inst "2019-11-29"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 2 26]
[#inst "2019-11-28" 2 26]
[#inst "2019-11-29" 1 28]]
;; 26.1 should overwrite the full range
[[28 #inst "2019-11-28"]
[26 #inst "2019-11-26" #inst "2019-11-29"]
[26.1 #inst "2019-11-26"]]
[[#inst "2019-11-26" 2 26.1]
[#inst "2019-11-28" 2 26.1]
[#inst "2019-11-29" 0 28]]
;; 27 should override the latter half of the range
[[25 #inst "2019-11-25"]
[26 #inst "2019-11-26" #inst "2019-11-29"]
[27 #inst "2019-11-27"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 1 26]
[#inst "2019-11-27" 2 27]
[#inst "2019-11-29" 0 25]]
;; 27 should still override the latter half of the range
[[25 #inst "2019-11-25"]
[28 #inst "2019-11-28"]
[26 #inst "2019-11-26" #inst "2019-11-29"]
[27 #inst "2019-11-27"]]
[[#inst "2019-11-25" 0 25]
[#inst "2019-11-26" 2 26]
[#inst "2019-11-27" 3 27]
[#inst "2019-11-28" 3 27]
[#inst "2019-11-29" 1 28]]))
;; TODO: This test just shows that this is an issue, if we fix the
;; underlying issue this test should start failing. We can then change
;; the second assertion if we want to keep it around to ensure it
;; keeps working.
(t/deftest test-corrections-in-the-past-slowes-down-bitemp-144
(let [ivan {:xt/id :ivan :name "Ivan"}
start-valid-time #inst "2019"
number-of-versions 1000
tx (fix/submit+await-tx (for [n (range number-of-versions)]
[::xt/put (assoc ivan :version n) (Date. (+ (.getTime start-valid-time) (inc (long n))))]))]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(let [baseline-time (let [start-time (System/nanoTime)
valid-time (Date. (+ (.getTime start-valid-time) number-of-versions))]
(t/testing "last version of entity is visible at now"
(t/is (= valid-time (:vt (db/entity-as-of index-snapshot :ivan valid-time (::xt/tx-id tx))))))
(- (System/nanoTime) start-time))]
(let [start-time (System/nanoTime)
valid-time (Date. (+ (.getTime start-valid-time) number-of-versions))]
(t/testing "no version is visible before transactions"
(t/is (nil? (db/entity-as-of index-snapshot :ivan valid-time -1)))
(let [corrections-time (- (System/nanoTime) start-time)]
;; TODO: This can be a bit flaky. This assertion was
;; mainly there to prove the opposite, but it has been
;; fixed. Can be added back to sanity check when
;; changing indexes.
#_(t/is (>= baseline-time corrections-time)))))))))
(t/deftest test-can-read-kv-tx-log
(let [ivan {:xt/id :ivan :name "Ivan"}
tx1-ivan (assoc ivan :version 1)
tx1-valid-time #inst "2018-11-26"
{tx1-id ::xt/tx-id
tx1-tx-time ::xt/tx-time}
(fix/submit+await-tx [[::xt/put tx1-ivan tx1-valid-time]])
tx2-ivan (assoc ivan :version 2)
tx2-petr {:xt/id :petr :name "Petr"}
tx2-valid-time #inst "2018-11-27"
{tx2-id ::xt/tx-id
tx2-tx-time ::xt/tx-time}
(fix/submit+await-tx [[::xt/put tx2-ivan tx2-valid-time]
[::xt/put tx2-petr tx2-valid-time]])]
(with-open [log-iterator (db/open-tx-log (:tx-log *api*) nil)]
(let [log (iterator-seq log-iterator)]
(t/is (not (realized? log)))
(t/is (= [{::xt/tx-id tx1-id
::xt/tx-time tx1-tx-time
:xtdb.tx.event/tx-events [[:crux.tx/put (c/new-id :ivan) (c/hash-doc tx1-ivan) tx1-valid-time]]
::xt/submit-tx-opts {}}
{::xt/tx-id tx2-id
::xt/tx-time tx2-tx-time
:xtdb.tx.event/tx-events [[:crux.tx/put (c/new-id :ivan) (c/hash-doc tx2-ivan) tx2-valid-time]
[:crux.tx/put (c/new-id :petr) (c/hash-doc tx2-petr) tx2-valid-time]]
::xt/submit-tx-opts {}}]
log))))))
(t/deftest migrates-unhashed-tx-log-eids
(let [doc {:crux.db/id :foo}
doc-id (c/hash-doc doc)]
(db/submit-docs (:document-store *api*) {doc-id doc})
(doto @(db/submit-tx (:tx-log *api*) [[:crux.tx/match :foo (c/new-id c/nil-id-buffer)]
[:crux.tx/put :foo doc-id]])
(->> (xt/await-tx *api*)))
(t/is (= {:xt/id :foo}
(xt/entity (xt/db *api*) :foo)))
(with-open [log-iterator (xt/open-tx-log *api* nil nil)]
(let [evts (::xt/tx-events (first (iterator-seq log-iterator)))]
;; have to check not= too because Id's `equals` conforms its input to Id
(t/is (not= [::xt/match :foo (c/new-id c/nil-id-buffer)]
(first evts)))
(t/is (not= [::xt/put :foo doc-id]
(second evts)))
(t/is (= [[::xt/match (c/new-id :foo) (c/new-id c/nil-id-buffer)]
[::xt/put (c/new-id :foo) doc-id]]
evts))))
(fix/submit+await-tx [[::xt/delete :foo]])
(t/is (nil? (xt/entity (xt/db *api*) :foo)))))
(t/deftest test-can-apply-transaction-fn
(with-redefs [tx/tx-fn-eval-cache (memoize eval)]
(let [v1-ivan {:xt/id :ivan :name "Ivan" :age 40}
v4-ivan (assoc v1-ivan :name "IVAN")
update-attribute-fn {:xt/id :update-attribute-fn
:xt/fn '(fn [ctx eid k f]
[[::xt/put (update (xtdb.api/entity (xtdb.api/db ctx) eid) k (eval f))]])}]
(fix/submit+await-tx [[::xt/put v1-ivan]
[::xt/put update-attribute-fn]])
(t/is (= v1-ivan (xt/entity (xt/db *api*) :ivan)))
(t/is (= update-attribute-fn (xt/entity (xt/db *api*) :update-attribute-fn)))
(some-> (#'tx/reset-tx-fn-error) throw)
(let [v2-ivan (assoc v1-ivan :age 41)]
(fix/submit+await-tx [[::xt/fn :update-attribute-fn :ivan :age `inc]])
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= v2-ivan (xt/entity (xt/db *api*) :ivan)))
(t/testing "resulting documents are indexed"
(t/is (= #{[41]} (xt/q (xt/db *api*)
'[:find age :where [e :name "Ivan"] [e :age age]]))))
(t/testing "exceptions"
(t/testing "non existing tx fn"
(let [tx (fix/submit+await-tx '[[::xt/fn :non-existing-fn]])]
(t/is (= v2-ivan (xt/entity (xt/db *api*) :ivan)))
(t/is (false? (xt/tx-committed? *api* tx)))))
(t/testing "invalid arguments"
(fix/submit+await-tx '[[::xt/fn :update-attribute-fn :ivan :age foo]])
(t/is (thrown? clojure.lang.Compiler$CompilerException (some-> (#'tx/reset-tx-fn-error) throw))))
(t/testing "invalid results"
(fix/submit+await-tx [[::xt/put
{:xt/id :invalid-fn
:xt/fn '(fn [ctx]
[[::xt/foo]])}]])
(fix/submit+await-tx '[[::xt/fn :invalid-fn]])
(t/is (thrown-with-msg? IllegalArgumentException #"Invalid tx op" (some-> (#'tx/reset-tx-fn-error) throw))))
(t/testing "no ::xt/fn"
(fix/submit+await-tx [[::xt/put
{:xt/id :no-fn}]])
(let [tx (fix/submit+await-tx '[[::xt/fn :no-fn]])]
(t/is (false? (xt/tx-committed? *api* tx)))))
(t/testing "not a fn"
(fix/submit+await-tx [[::xt/put
{:xt/id :not-a-fn
:xt/fn 0}]])
(fix/submit+await-tx '[[::xt/fn :not-a-fn]])
(t/is (thrown? ClassCastException (some-> (#'tx/reset-tx-fn-error) throw))))
(t/testing "compilation errors"
(fix/submit+await-tx [[::xt/put
{:xt/id :compilation-error-fn
:xt/fn '(fn [ctx]
unknown-symbol)}]])
(fix/submit+await-tx '[[::xt/fn :compilation-error-fn]])
(t/is (thrown-with-msg? Exception #"Syntax error compiling" (some-> (#'tx/reset-tx-fn-error) throw))))
(t/testing "exception thrown"
(fix/submit+await-tx [[::xt/put
{:xt/id :exception-fn
:xt/fn '(fn [ctx]
(throw (RuntimeException. "foo")))}]])
(fix/submit+await-tx '[[::xt/fn :exception-fn]])
(t/is (thrown-with-msg? RuntimeException #"foo" (some-> (#'tx/reset-tx-fn-error) throw))))
(t/testing "still working after errors"
(let [v3-ivan (assoc v1-ivan :age 40)]
(fix/submit+await-tx [[::xt/fn :update-attribute-fn :ivan :age `dec]])
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= v3-ivan (xt/entity (xt/db *api*) :ivan))))))
(t/testing "sees in-transaction version of entities (including itself)"
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo 1}]])
(let [tx (fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo 2}]
[::xt/put {:xt/id :doubling-fn
:xt/fn '(fn [ctx]
[[::xt/put (-> (xtdb.api/entity (xtdb.api/db ctx) :foo)
(update :foo * 2))]])}]
[::xt/fn :doubling-fn]])]
(t/is (xt/tx-committed? *api* tx))
(t/is (= {:xt/id :foo, :foo 4}
(xt/entity (xt/db *api*) :foo)))))
(t/testing "function ops can return other function ops"
(let [returns-fn {:xt/id :returns-fn
:xt/fn '(fn [ctx]
[[::xt/fn :update-attribute-fn :ivan :name `string/upper-case]])}]
(fix/submit+await-tx [[::xt/put returns-fn]])
(fix/submit+await-tx [[::xt/fn :returns-fn]])
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= v4-ivan (xt/entity (xt/db *api*) :ivan)))))
(t/testing "repeated 'merge' operation behaves correctly"
(let [v5-ivan (merge v4-ivan
{:height 180
:hair-style "short"
:mass 60})
merge-fn {:xt/id :merge-fn
:xt/fn `(fn [ctx# eid# m#]
[[::xt/put (merge (xt/entity (xt/db ctx#) eid#) m#)]])}]
(fix/submit+await-tx [[::xt/put merge-fn]])
(fix/submit+await-tx [[::xt/fn :merge-fn :ivan {:mass 60, :hair-style "short"}]])
(fix/submit+await-tx [[::xt/fn :merge-fn :ivan {:height 180}]])
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= v5-ivan (xt/entity (xt/db *api*) :ivan)))))
(t/testing "function ops can return other function ops that also the forked ctx"
(let [returns-fn {:xt/id :returns-fn
:xt/fn '(fn [ctx]
[[::xt/put {:xt/id :ivan :name "modified ivan"}]
[::xt/fn :update-attribute-fn :ivan :name `string/upper-case]])}]
(fix/submit+await-tx [[::xt/put returns-fn]])
(fix/submit+await-tx [[::xt/fn :returns-fn]])
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= {:xt/id :ivan :name "MODIFIED IVAN"}
(xt/entity (xt/db *api*) :ivan)))))
(t/testing "can access current transaction on tx-fn context"
(fix/submit+await-tx
[[::xt/put
{:xt/id :tx-metadata-fn
:xt/fn `(fn [ctx#]
[[::xt/put {:xt/id :tx-metadata ::xt/current-tx (xt/indexing-tx ctx#)}]])}]])
(let [submitted-tx (fix/submit+await-tx '[[::xt/fn :tx-metadata-fn]])]
(some-> (#'tx/reset-tx-fn-error) throw)
(t/is (= {:xt/id :tx-metadata
::xt/current-tx submitted-tx}
(xt/entity (xt/db *api*) :tx-metadata)))))))))
(t/deftest tx-fn-sees-in-tx-query-results
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo 1}]])
(let [tx (fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo 2}]
[::xt/put {:xt/id :put
:xt/fn '(fn [ctx doc]
[[::xt/put doc]])}]
[::xt/fn :put {:xt/id :bar, :ref :foo}]
[::xt/put {:xt/id :doubling-fn
:xt/fn '(fn [ctx]
(let [db (xtdb.api/db ctx)]
[[::xt/put {:xt/id :prn-out
:e (xtdb.api/entity db :bar)
:q (first (xtdb.api/q db {:find '[e v]
:where '[[e :xt/id :bar]
[e :ref v]]}))}]
[::xt/put (-> (xtdb.api/entity db :foo)
(update :foo * 2))]]))}]
[::xt/fn :doubling-fn]])]
(t/is (xt/tx-committed? *api* tx))
(t/is (= {:xt/id :foo, :foo 4}
(xt/entity (xt/db *api*) :foo)))
(t/is (= {:xt/id :prn-out
:e {:xt/id :bar :ref :foo}
:q [:bar :foo]}
(xt/entity (xt/db *api*) :prn-out)))))
(t/deftest tx-log-evict-454 []
(fix/submit+await-tx [[::xt/put {:xt/id :to-evict}]])
(fix/submit+await-tx [[::xt/cas {:xt/id :to-evict} {:xt/id :to-evict :test "test"}]])
(fix/submit+await-tx [[::xt/evict :to-evict]])
(with-open [log-iterator (xt/open-tx-log *api* nil true)]
(t/is (= [[[::xt/put
{:xt/id #xtdb/id "6abe906510aa2263737167c12c252245bdcf6fb0",
::xt/evicted? true}]]
[[::xt/cas
{:xt/id #xtdb/id "6abe906510aa2263737167c12c252245bdcf6fb0",
::xt/evicted? true}
{:xt/id #xtdb/id "6abe906510aa2263737167c12c252245bdcf6fb0",
::xt/evicted? true}]]
[[::xt/evict
#xtdb/id "6abe906510aa2263737167c12c252245bdcf6fb0"]]]
(->> (iterator-seq log-iterator)
(map ::xt/tx-ops))))))
(t/deftest transaction-fn-return-values-457
(with-redefs [tx/tx-fn-eval-cache (memoize eval)]
(let [nil-fn {:xt/id :nil-fn
:xt/fn '(fn [ctx] nil)}
false-fn {:xt/id :false-fn
:xt/fn '(fn [ctx] false)}]
(fix/submit+await-tx [[::xt/put nil-fn]
[::xt/put false-fn]])
(fix/submit+await-tx [[::xt/fn :nil-fn]
[::xt/put {:xt/id :foo
:foo? true}]])
(t/is (= {:xt/id :foo, :foo? true}
(xt/entity (xt/db *api*) :foo)))
(fix/submit+await-tx [[::xt/fn :false-fn]
[::xt/put {:xt/id :bar
:bar? true}]])
(t/is (nil? (xt/entity (xt/db *api*) :bar))))))
(t/deftest map-ordering-362
(t/testing "cas is independent of map ordering"
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo :bar}]])
(fix/submit+await-tx [[::xt/cas {:foo :bar, :xt/id :foo} {:xt/id :foo, :foo :baz}]])
(t/is (= {:xt/id :foo, :foo :baz}
(xt/entity (xt/db *api*) :foo))))
(t/testing "entities with map keys can be retrieved regardless of ordering"
(let [doc {:xt/id {:foo 1, :bar 2}}]
(fix/submit+await-tx [[::xt/put doc]])
(t/is (= doc (xt/entity (xt/db *api*) {:foo 1, :bar 2})))
(t/is (= doc (xt/entity (xt/db *api*) {:bar 2, :foo 1})))))
(t/testing "entities with map values can be joined regardless of ordering"
(let [doc {:xt/id {:foo 2, :bar 4}}]
(fix/submit+await-tx [[::xt/put doc]
[::xt/put {:xt/id :baz, :joins {:bar 4, :foo 2}}]
[::xt/put {:xt/id :quux, :joins {:foo 2, :bar 4}}]])
(t/is (= #{[{:foo 2, :bar 4} :baz]
[{:foo 2, :bar 4} :quux]}
(xt/q (xt/db *api*) '{:find [parent child]
:where [[parent :xt/id _]
[child :joins parent]]}))))))
(t/deftest incomparable-colls-1001
(t/testing "can store and retrieve incomparable colls (#1001)"
(let [foo {:xt/id :foo
:foo {:bar #{7 "hello"}}}]
(fix/submit+await-tx [[::xt/put foo]])
(t/is (= #{[foo]}
(xt/q (xt/db *api*) '{:find [(pull ?e [*])]
:where [[?e :foo {:bar #{"hello" 7}}]]}))))
(let [foo {:xt/id :foo
:foo {{:foo 1} :foo1
{:foo 2} :foo2}}]
(fix/submit+await-tx [[::xt/put foo]])
(t/is (= #{[foo]}
(xt/q (xt/db *api*) '{:find [(pull ?e [*])]
:where [[?e :foo {{:foo 2} :foo2, {:foo 1} :foo1}]]}))))))
(t/deftest test-java-ids-and-values-1398
(letfn [(test-id [id]
(t/testing "As ID"
(with-open [node (xt/start-node {})]
(let [doc {:xt/id id}]
(fix/submit+await-tx node [[::xt/put doc]])
(t/is (= doc (xt/entity (xt/db node) id)))
(t/is #{[id]} (xt/q (xt/db node) '{:find [?id]
:where [[?id :xt/id]]}))))))
(test-value [value]
(t/testing "As Value"
(with-open [node (xt/start-node {})]
(let [doc {:xt/id :foo :bar value}]
(fix/submit+await-tx node [[::xt/put doc]])
(t/is (= doc (xt/entity (xt/db node) :foo)))
(t/is #{[value]} (xt/q (xt/db node) '{:find [?val]
:where [[?id :bar ?val]]}))))))]
(t/testing "Keyword"
(doto (Keyword/intern "foo")
(test-id) (test-value)))
(t/testing "String"
(doto "foo"
(test-id) (test-value)))
(t/testing "Long"
(doto 100
(test-id) (test-value)))
(t/testing "UUID"
(doto (UUID/randomUUID)
(test-id) (test-value)))
(t/testing "URI"
(doto (URI/create "mailto:hello@xtdb.com")
(test-id) (test-value)))
(t/testing "URL"
(doto (URL. "https://github.com/xtdb/xtdb")
(test-id) (test-value)))
(t/testing "IPersistentMap"
(doto (-> (PersistentArrayMap/EMPTY)
(.assoc "foo" "bar"))
(test-id) (test-value)))
(t/testing "Set"
(doto (HashSet.)
(.add "foo")
(.add "bar")
(test-value)))
(t/testing "Singleton Map"
(doto (Collections/singletonMap "foo" "bar")
(test-id) (test-value)))
(t/testing "HashMap with single entry"
(doto (HashMap.)
(.put "foo" "bar")
(test-id) (test-value)))
(t/testing "HashMap with multiple entries"
(doto (HashMap.)
(.put "foo" "bar")
(.put "baz" "waka")
(test-id) (test-value)))
(t/testing "HashMap with entries added in different order"
(let [val1 (doto (HashMap.)
(.put "foo" "bar")
(.put "baz" "waka"))
val2 (doto (HashMap.)
(.put "baz" "waka")
(.put "foo" "bar"))]
(t/is (= val1 val2))
(t/testing "As ID"
(with-open [node (xt/start-node {})]
(let [doc {:xt/id val1}]
(fix/submit+await-tx node [[::xt/put doc]])
(t/is (= doc (xt/entity (xt/db node) val2)))
(let [result (xt/q (xt/db node) '{:find [?id]
:where [[?id :xt/id]]})]
(t/is #{[val1]} result)
(t/is #{[val2]} result)))))
(t/testing "As Value"
(with-open [node (xt/start-node {})]
(let [doc {:xt/id :foo :bar val1}]
(fix/submit+await-tx node [[::xt/put doc]])
(t/is (= doc (xt/entity (xt/db node) :foo)))
(let [result (xt/q (xt/db node) '{:find [?val]
:where [[?id :bar ?val]]})]
(t/is #{[val1]} result)
(t/is #{[val2]} result)))))))))
(t/deftest overlapping-valid-time-ranges-434
(let [_ (fix/submit+await-tx
[[::xt/put {:xt/id :foo, :v 10} #inst "2019-01-01"]
[::xt/put {:xt/id :foo, :v 10} #inst "2020-01-10"]
[::xt/put {:xt/id :bar, :v 5} #inst "2020-01-05"]
[::xt/put {:xt/id :bar, :v 10} #inst "2020-01-10"]
[::xt/put {:xt/id :baz, :v 10} #inst "2020-01-10"]])
last-tx (fix/submit+await-tx [[::xt/put {:xt/id :foo, :v 10} #inst "2019-01-01"]
[::xt/put {:xt/id :bar, :v 7} #inst "2020-01-07"]
;; mixing foo and bar shouldn't matter
[::xt/put {:xt/id :foo, :v 8} #inst "2020-01-08" #inst "2020-01-12"] ; reverts to 10 afterwards
[::xt/put {:xt/id :foo, :v 9} #inst "2020-01-09" #inst "2020-01-11"] ; reverts to 8 afterwards, then 10
[::xt/put {:xt/id :bar, :v 8} #inst "2020-01-08" #inst "2020-01-09"] ; reverts to 7 afterwards
[::xt/put {:xt/id :bar, :v 11} #inst "2020-01-11" #inst "2020-01-12"] ; reverts to 10 afterwards
])
db (xt/db *api*)]
(with-open [index-snapshot (db/open-index-snapshot (:index-store *api*))]
(let [eid->history (fn [eid]
(let [history (db/entity-history index-snapshot
(c/new-id eid) :asc
{:start-valid-time #inst "2020-01-01"})
docs (db/fetch-docs (:document-store *api*) (map :content-hash history))]
(->> history
(mapv (fn [{:keys [content-hash vt]}]
[vt (:v (get docs content-hash))])))))]
;; transaction functions, asserts both still apply at the start of the transaction
(t/is (= [[#inst "2020-01-08" 8]
[#inst "2020-01-09" 9]
[#inst "2020-01-10" 9]
[#inst "2020-01-11" 8]
[#inst "2020-01-12" 10]]
(eid->history :foo)))
(t/is (= [[#inst "2020-01-05" 5]
[#inst "2020-01-07" 7]
[#inst "2020-01-08" 8]
[#inst "2020-01-09" 7]
[#inst "2020-01-10" 10]
[#inst "2020-01-11" 11]
[#inst "2020-01-12" 10]]
(eid->history :bar)))))))
(t/deftest cas-docs-not-evicting-371
(fix/submit+await-tx [[::xt/put {:xt/id :foo, :foo :bar}]
[::xt/put {:xt/id :frob :foo :bar}]])
(fix/submit+await-tx [[::xt/cas {:xt/id :foo, :foo :baz} {:xt/id :foo, :foo :quux}]
[::xt/put {:xt/id :frob :foo :baz}]])
(fix/submit+await-tx [[::xt/evict :foo]])
(let [docs (db/fetch-docs (:document-store *api*)
#{(c/hash-doc {:xt/id :foo, :foo :bar})
(c/hash-doc {:xt/id :foo, :foo :baz})
(c/hash-doc {:xt/id :foo, :foo :quux})})]
(t/is (= 3 (count docs)))
(t/is (every? (comp c/evicted-doc? val) docs)))
(t/testing "even though the CaS was unrelated, the whole transaction fails - we should still evict those docs"
(fix/submit+await-tx [[::xt/evict :frob]])
(let [docs (db/fetch-docs (:document-store *api*)
#{(c/hash-doc {:xt/id :frob, :foo :bar})